TEXAS · WELLS · HEMPHILL COUNTY · VOLLMERT LEASE · API 42-211-34965 · DISTRICT 08
Vollmert #7H
Hemphill County · Mendota NW. (Granite Wash) field · Producing · Horizontal
Vollmert #7H (API 42-211-34965) is a horizontal well in Hemphill County operated by Unit Petroleum Company, completed March 8, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued October 27, 2011, permitted to 10,678 ft.
Completion filings report 5 formation tops, including Brown Dolomite, Douglas, Kansas City, Marmaton.
Its lease has reported 38K barrels of oil and 2.63M mcf of gas since March 2012, last reporting volume in April 2026.
Operator of record
- Based in
- Tulsa, OK
- P-5 status
- Active (A)
- P-5 last filed
- Jan 13, 2025
- Permits on file
- 1,100
- Phone
- (918) 493-7700
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Unit Petroleum Company |
| Production reports | Unit Petroleum Companythrough Apr 2026 |
| Latest permit | Unit Petroleum CompanyOct 27, 2011 |
- 10,678
- total depth, ft
- 1
- permits on file
- Oct 27, 2011
- last permit issued
- Mar 8, 2012
- completed
- 38K
- cumulative oil, bbl
- 2.63M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2012 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 8, 2012
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Vollmert G-14-267306 | Mendota, NW. (Granite Wash) | Unit Petroleum Company | 1 | 38K | 2.63M | Mar 2012 – Apr 2026 |
Gas, mcf lease total
Last 12 months 41,042 · prior 12 45,546(-10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Unit Petroleum CompanyMar 2012 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 726644-99 | Drill | Unit Petroleum Company | Oct 19, 2011 | Oct 27, 2011 | Dec 9, 2011 | 10,720 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 8, 2012 | Vollmert G-14-267306 | Mendota NW. (Granite Wash) | Unit Petroleum Company | Producing | 10,678 |
Formation tops
As filed on W-2/G-1. Subsea from 2,622 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Brown Dolomite | 4,018 | -1,396 |
| Douglas | 6,960 | -4,338 |
| Kansas City | 8,100 | -5,478 |
| Marmaton | 9,024 | -6,402 |
| Granite Wash | 9,404 | -6,782 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,161 | 15,906 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,528 | 12.25 | 1,400 S |
| 7 | 10,810 | 8.75 | 220 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Apr 24, 2013 | May 21, 2012 | Yes |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-211-34965 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-211-34965 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/21134965, documented in the API reference.